CN106195070B - The actuator of electric parking system - Google Patents
The actuator of electric parking system Download PDFInfo
- Publication number
- CN106195070B CN106195070B CN201510225127.8A CN201510225127A CN106195070B CN 106195070 B CN106195070 B CN 106195070B CN 201510225127 A CN201510225127 A CN 201510225127A CN 106195070 B CN106195070 B CN 106195070B
- Authority
- CN
- China
- Prior art keywords
- spacer
- wheel
- actuator
- motor
- driven wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/741—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on an ultimate actuator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/0006—Noise or vibration control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/746—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive and mechanical transmission of the braking action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/02—Gearings for conveying rotary motion by endless flexible members with belts; with V-belts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/24—Electric or magnetic using motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/44—Mechanical mechanisms transmitting rotation
- F16D2125/46—Rotating members in mutual engagement
- F16D2125/50—Rotating members in mutual engagement with parallel non-stationary axes, e.g. planetary gearing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Retarders (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- General Details Of Gearings (AREA)
- Braking Systems And Boosters (AREA)
- Vibration Prevention Devices (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Braking Arrangements (AREA)
- Transmission Devices (AREA)
Abstract
A kind of actuator of electric parking system, including shell, the motor being contained in shell, planetary gear mechanism, connect the belt wheel mechanism of planetary gear mechanism and motor, an and separator, belt wheel mechanism includes spaced driving wheel, driven wheel, and the transmission belt of ring set driving wheel and driven wheel, driving wheel is connect with motor, driven wheel is connect with planetary gear structure, separator includes the first spacer, second spacer, and bolster, first spacer is fixed with respect to the central axis of driving wheel, second spacer is fixed with respect to the central axis of driven wheel, second spacer is located at the top of the first spacer and is assemblied on the first spacer along axial direction, bolster is between the second spacer and shell.The belt wheel mechanism of actuator of the invention is equipped with separator and is used to determine center between driving wheel and driven wheel away from and absorbing the vibration of motor and planetary gear mechanism, low noise when actuator works, stable and overall structure is simple, easy to assembly.
Description
Technical field
The present invention relates to the actuators of electric parking system more particularly to electric parking system.
Background technique
Motor vehicles are equipped with parking system, slip after preventing vehicle from stopping, and traditional parking system is manual operation
, it is commonly called as " parking brake ", assembles the automobile of parking brake in hill start, driver needs manual releasing parking brake, and throttle is cooperated to step on
Plate, clutch etc. start automobile, and the mode of " parking brake " is more demanding to the driving ability of driver.
With the development of technology, electric parking system (EPB, Electrical Park Brake) gradually replaces traditional
Mechanical parking brake, existing EPB system drive clamp and brake disc braking brake by Electric Actuator, and the actuator usually wraps
The motor and reduction gearing mechanism for being provided with driving force are included, the high-speed rotation of motor after reduction gearing mechanism by being able to substantially
Reduce, the reduction gearing mechanism generallyd use has worm and gear, gear, drive pulley etc., wherein drive pulley be avoided that its two
The transmitting for holding the vibration between the device of connection, reduces the generation of noise, is widely used in the actuator of motor vehicles,
However, in actuator device vibration, such as the vibration of motor can still be transmitted outward, actuator by other elements on periphery
At runtime or certain noise can be generated.
Summary of the invention
In view of this, providing a kind of actuator of electric parking system that noise can be effectively reduced.
A kind of actuator of electric parking system, including shell, the motor being contained in shell, planetary gear mechanism, connection
The belt wheel mechanism and a separator of planetary gear mechanism and motor, the belt wheel mechanism includes spaced driving wheel, driven
The transmission belt of wheel and ring set driving wheel and driven wheel, the driving wheel are connect with motor, the driven wheel and planetary gear structure
Connection, the separator include the first spacer, the second spacer and bolster, the relatively described master of the first spacer
The central axis of driving wheel is fixed, and the central axis of the relatively described driven wheel of the second spacer is fixed, and second spacer is located at
The top of first spacer is simultaneously assemblied on first spacer along axial direction, and the bolster is located at second interval
Between part and shell.
Compared to the prior art, the motor of the actuator of electric parking system of the present invention and planetary gear mechanism pass through band turbine
In addition structure transmission is equipped with separator in the belt wheel mechanism and is used to determine center between driving wheel and driven wheel away from and inhaling
The vibration for receiving motor and planetary gear mechanism avoids vibration from being transferred on shell outward, and actuator running noise is low, and operation is steady
Fixed and overall structure is simple, easy to assembly.
Detailed description of the invention
Fig. 1 is the assembling figure of the actuator of electric parking system of the present invention.
Fig. 2 is the exploded view of actuator shown in Fig. 1.
Fig. 3 is the further exploded view of actuator shown in Fig. 2, and shell is removed in schema with more clearly display element knot
Structure.
Fig. 4 is the cross-sectional view of actuator shown in Fig. 1.
Fig. 5 is the exploded view of the planetary gear mechanism of actuator shown in Fig. 3.
Fig. 6 is another angular views of Fig. 5.
Fig. 7 is the exploded view of the separator of actuator shown in Fig. 4.
Fig. 8 is another angular views of the bolster of separator shown in Fig. 7.
Fig. 9 is another angular views of separator shown in Fig. 7.
Figure 10 is the assembling figure of separator and belt wheel mechanism shown in Fig. 4.
Specific embodiment
With reference to the accompanying drawing, by the way that detailed description of specific embodiments of the present invention.
As depicted in figs. 1 and 2, the actuator of electric parking system of the present invention includes shell 10, is contained in shell 10
Motor 20, belt wheel mechanism 30, planetary gear mechanism 40 and separator 50.The shell 10 is including shell block 12 and is connected to shell
The top cover 14 on the top of seat 12, the top cover 14 and shell block 12 are collectively formed accommodating space 13 and accommodate the motor 20, band turbine
Structure 30, planetary gear mechanism 40 and separator 50, wherein motor 20 is used as actuator output torque, belt wheel mechanism 30 and planet
Wheel mechanism 40 collectively forms deceleration transmission part, and the high-speed rotation of motor 20 is converted to the output that slowly runs, the separator 50
For the vibration of motor 20 and planetary gear mechanism 40 to be isolated, avoid being transferred to shell 10.The motor 20 and planetary gear mechanism
The setting of 40 spacing side by side, the belt wheel mechanism 30 are located above motor 20 and planetary gear mechanism 40 and connect motor 20 and planetary gear
The rotation deceleration of motor 20 is transferred to planetary gear mechanism 40 by mechanism 40.
Simultaneously refering to Fig. 3 and Fig. 4, the motor 20 has a shaft 22, and motor 20 is stretched out on the top of the shaft 22
Except end cap 24, it is connect with belt wheel mechanism 30.The motor 20 is also formed with groove 26 in the periphery of end cap 24, for it is described
The cooperation positioning of separator 50.In the present embodiment, the groove 26 is 2, is symmetrical set.Generation when to avoid motor 20 from operating
Vibration be transferred to shell 10, a washer 28 is equipped between the bottom and shell block 12 of the motor 20, the washer 28 can be with
It is made of the materials such as rubber.
The belt wheel mechanism 30 is including driving wheel 32, driven wheel 34 and around the driven wheel 34 and driving wheel 32
Transmission belt 36, wherein the driven wheel 34, driving wheel 32 are gear structure, the two is spaced apart, passes through transmission belt 36
Transmission, the transmission belt 36 can be toothed belt, be meshed with driving wheel 32, driven wheel 34.The driving wheel 32 is fixedly attached
In in the shaft 22 of motor 20 and with 22 synchronous rotary of shaft, driven wheel 34 is then sequentially connected with planetary gear mechanism 40, driving wheel
32 diameter and the number of teeth is much smaller than driven wheel 34, when shaft 22 high-speed rotation of the driving wheel 32 with motor 20, passes through biography
Dynamic band 36 drives driven wheel 34 to rotate at relatively lower speeds, specifically, the revolving speed V2 of driven wheel 34 and turning for driving wheel 32
The ratio of fast V1 is equal to the ratio of the number N of teeth 1 of driving wheel 32 and the number N of teeth 2 of driven wheel 34, i.e. V2/V1=N1/N2.
The center of the driven wheel 34 of the belt wheel mechanism 30 is embedded with output wheel 38, and the output wheel 38 and driven wheel 34 are same
Axis setting and relatively fixed connection, driven wheel 34 when rotating the output wheel 38 rotated synchronously with driven wheel 34.In the present embodiment,
Please refer to Fig. 2, the driven wheel 34 is in tubular open at one end, including discoid end plate 342 and by the end plate 342
The sidewall 34 4 that extends vertically downward of outer edge, the tooth of the driven wheel 34 is formed on the outer surface of sidewall 34 4, transmission belt
Sidewall 34 4 described in 36 ring sets.The top of the output wheel 38 is embedded in the center of the end plate 342 of driven wheel 34, and the two is fixed to be connected
It connects and relatively unrotatable；The bottom end of the output wheel 38 is stretched out in end plate 342 to sidewall 34 4, is used for and the planet turbine
The transmission connection of structure 40 is to pass to planetary gear mechanism 40 for the torque of motor 20.The bottom end of the output wheel 38 is gear mechanism
Structure, outer diameter is much smaller than the internal diameter of sidewall 34 4, to be formed between the bottom end of output wheel 38 and the sidewall 34 4 of driven wheel 34
Annular space.
Please refer to Fig. 5 and Fig. 6, the planetary gear mechanism 40 includes gear hub 42 and is contained in gear hub 42
Series of rows star-wheel 44.In 42 partial insertion of gear hub to the annular space of output wheel 38 and driven wheel 34, in certain journey
Reduce the axial height in space occupied by planetary gear mechanism 40, the larger situation of the series of especially planetary gear mechanism 40 on degree
Under, avoid whole axial dimension excessive.
In the present embodiment, the planetary gear mechanism 40 is two-stage planetary gear, is concatenated with 38 phase of output wheel of belt wheel mechanism 30,
And the coaxiality between element is guaranteed by a pivot 90.Every level-one planetary gear 44 includes a sun gear 45, is surrounded on sun gear
Around 45 and the planet carrier 47 of multiple planetary gears 46 for being engaged with and the multiple planetary gear 46 of carrying.Sun gear 45 with
Planet carrier 47 is in coaxial setting, and the pivot 90 passes through planet carrier 47 and sun gear 45 and formed and is rotatably coupled.It is described
Multiple planetary gears 46 are rotatably connected on planet carrier 47 by an axis respectively.In the present embodiment, 38 one of output wheel
It is embedded on driven wheel 34 and as first order sun gear, second level sun gear 45 is integrally formed at the bottom of first order planet carrier 47
It holds, an output element 92 is integrally formed on the planet carrier 47 of second level planetary gear 44 and is passed through as the output of entire actuator
It is connect after the gear hub 42 of planetary gear mechanism 40 and the shell block 12 of shell 10 with outer member, so as to output torque.
The gear hub 42 is carried on the pedestal of shell 24, corresponds to every level-one planetary gear 44, in the gear hub 42
A circle internal tooth is formed with to engage with its all planetary gear 46.The outside wall surface of gear hub 42 radially it is prominent be formed with it is several
Fixture block 43 is correspondingly formed with several card slots 16 in the shell block 12 of the shell 10, and the fixture block 43 is sticked in the card of shell block 12
In slot 16, gear hub 42 is avoided to rotate.When output wheel 38 when being rotated by, drives and nibbles therewith in motor 20 with driven wheel 34
The planetary gear 46 of the first order planetary gear of conjunction rotates with it, and since planetary gear 46 is engaged with gear hub 42 and gear hub 42 cannot turn
Dynamic, the rotation of planetary gear 46 drives planet carrier 47 and second level sun gear 45 to rotate, and the rotation of second level sun gear 45
It drives the planetary gear 46 of the second level to rotate, and second level planet carrier 47 is driven to rotate, so that with the fixed company of second level planet carrier 47
The output element 92 connect rotates output torque.The output speed of the planet carrier 47 of every level-one planetary gear 44 is much smaller than sun gear 45
Input speed so passes through the transmission of series of rows star-wheel 44, and the revolving speed of output reduces step by step, finally by the high-speed rotation of motor 20
It is converted into the output that slowly runs.As an alternative solution, the planetary gear mechanism 40 can be single-stage, three or more level, series
More, slowing effect is better.
Separator 50 is specifically described below in conjunction with Fig. 7 to Figure 10.50 one side of separator is for obstructing motor 20
And transmitting of the vibration when operating of planetary gear mechanism 40 to shell 10；On the other hand for determining the master of belt wheel transmission mechanism 30
Center between driving wheel 32 and driven wheel 34 is away from avoiding transmission belt slack and undisciplined 36.The separator 50 includes the first spacer 60, the
Two spacers 70 and bolster 80, first, second spacer 60,70 is stiffener, so as to make driving wheel 32
Center between driven wheel 34 is away from being determined.The bolster 80 has certain elasticity, can be rubber etc..
First spacer 60 is fixed on motor 20, and the vibration that generates can be transferred to this between first when motor 20 operates
On spacing body 60.The button that first spacer 60 extends including substrate 62 and by the edge-perpendicular of the first surface of substrate 62
Arm 64.The substrate 62 is stacked and placed on the end cap 24 of motor 20, and the center of substrate 62 is formed with perforation 63 for the shaft of motor 20
22 pass through connect with the driving wheel 32 of belt wheel mechanism 30.The edge-perpendicular of the second surface of substrate 62 extends to form two convex blocks 66,
Two convex block 66 is arranged in respectively in two grooves 26 of end cap 24, and the first spacer 60 is positioned on motor 20, avoids
One spacer 60 is rotated relative to motor 20.In the present embodiment, as shown in figure 8, two convex block 66 has different shapes, wherein
For one convex block 66 along the rectangular in cross-section for being parallel to substrate, another convex block 66 is T-shaped along the section for being parallel to substrate, correspondingly, horse
It, can effective mistake proofing in assembling up to two grooves 26 on 20 end cap 24 also respectively in rectangle and T shape.In other embodiments
In, the quantity of the convex block 66 is not limited to two, can for it is single, three or more, shape can identical or not phase
Together, correspondingly the quantity, shape of the groove 26 change therewith.In some embodiments, the convex block 66 can also be formed
In on end cap 24, and groove 26 is set on the first spacer 60, the two cooperation equally can be fixed by the first spacer 60.
The buckle arm 64 is formed with a slot 65 for connecting with the second spacer 70 in each buckle arm 64.The present embodiment
In, the buckle arm 64 is 3, is substantially distributed in isosceles triangle, wherein a buckle arm 64 is located at the apex of isosceles triangle, far
From planetary gear mechanism 40 close to the inner wall of shell 10, in addition two buckle arms 64 are located at the end positions on the bottom edge of isosceles triangle
Place, close to planetary gear mechanism 40.After being completed, the distance between two buckle arm 64 is greater than the width of transmission belt 36 here,
Gap of the transmission belt 36 across two buckle arm 64 socket-connects with the driving wheel 32 in the shaft 22 for being connected to motor 20.
Second spacer 70 includes the spacer portion 72 that is stacked on the driven wheel 34 of belt wheel mechanism 30 and with first
The interconnecting piece 74 that spacer 60 plugs.The spacer portion 72 is in tabular, outwardly protrudes shape in the position of corresponding output wheel 38
At a protrusion 73, the top of the pivot 90 passes through output wheel 38 and is inserted in the protrusion 73 of the spacer portion 72.The company
Socket part 74 includes a circular ontology 76 and the button foot 78 that is extended downwardly by the edge of the ontology 76, and the ontology 76 is folded
On the top of the buckle arm 64 of the first spacer 60, button foot 78 is then plugged in respectively in the slot 65 of buckle arm 64, to pass through
First, second spacer 60,70 is located by connecting by buckle arm 64 and the grafting of button foot 78.After assembling between the first spacer 60 and second
A space is collectively formed in the interconnecting piece 74 of spacing body 70, and substrate 62 and ontology 76 are located at the two sides up and down in the space, buckle arm 64 and button
Around the space, the driving wheel 32 of the belt wheel mechanism 30 is contained in the space foot 78, and the driven wheel 34 is then located at the
The lower section of the spacer portion 72 of two spacers 70, transmission belt 36 is then by between two buckle arms 64/ of planetary gear mechanism 40 button foot 78
It is pierced by and is connect with driven wheel 34.In other embodiments, slot can also be formed on the button foot 78 of the second spacer 70, and is incited somebody to action
The buckle arm 64 of first spacer 60 is inserted into assemble the first, second spacer 60,70 in the button foot 78 of the second spacer 70 and be fixed.
The bolster 80 is set between the second spacer 70 and the top cover 14 of shell 10, motor 20 and planet turbine
The vibration of structure 40 is transferred on the first, second spacer 60,70, is buffered via the bolster 80, is avoided being transferred to shell 10
Top cover 14.In the present embodiment, the bolster 80 includes the tabs 82 being covered in the spacer portion 72 of the second spacer 70
And several block portions 84, the tabs 82 are dimensioned slightly smaller than spacer portion 72, the protrusion 73 in corresponding spacer portion 72 is described
The boss 83 that tabs 82 are outwardly formed interior sky coats described raised 73 completely.Preferably, as shown in figure 8, second interval
The periphery of the protrusion 73 of part 70 forms tooth-like part, and the inner circumferential of the boss 83 of the bolster 80 also forms tooth-like part and is used for and protrusion
73 tooth is meshed.The block portion 84 is set between the ontology 76 and top cover 14 of the interconnecting piece 74 of the second spacer 70, along this
The circumferencial direction interval of body 76 is arranged, and the block portion 84 and tabs 82 are connected as one by a threadiness portion 86, this implementation
In example, it is formed with wire casing 77 on the ontology 76 and accommodates the threadiness portion 86, block portion 84 is positioned.It is described in the present embodiment
Bolster 80 and second spacer 70 form one-piece construction by secondary injection molding.In other embodiments, it buffers
Part can also be separately formed, is assemblied on the second spacer 70 after shaping.
The motor 20 and 40 spacing side by side of planetary gear mechanism of the actuator of electric parking system of the present invention are arranged, and pass through belt wheel
Mechanism 30 is driven, and can be transmitted each other and is overlapped mutually to avoid the vibration of the two, and isolation is in addition equipped in the belt wheel mechanism 30
Part 50, the first, second spacer 60,70 of the separator 50 absorb the vibration of motor 20 and planetary gear mechanism 40 simultaneously respectively
It is further buffered by its bolster 80, vibration is avoided to be transferred on shell 10 outward, thus each element of entire actuator
Vibration is isolated the absorption of part 50, will not transmit outward, and actuator running noise is low, stable, safety.In addition, the present invention adopts
Separator includes the first spacer and the second spacer, and structure is simple, easy to assembly, Automated assembly easy to accomplish.It needs
It is noted that creative spirit according to the present invention, those skilled in the art are also the invention is not limited to above embodiment
Other variations can be made, the variation that these creative spirit according to the present invention are done should all be included in that the present invention is required to be protected
Within the scope of shield.
Claims (10)
1. a kind of actuator of electric parking system, including shell, the motor being contained in shell, planetary gear mechanism and connection
The belt wheel mechanism of planetary gear mechanism and motor, the belt wheel mechanism include spaced driving wheel, driven wheel and ring set master
The transmission belt of driving wheel and driven wheel, the driving wheel are connect with motor, and the driven wheel is connect with planetary gear structure, and feature exists
In: it further include separator, the separator includes the first spacer, the second spacer and bolster, first spacer
The central axis of the relatively described driving wheel is fixed, and the central axis of the relatively described driven wheel of the second spacer is fixed, and described second
Spacer is located at the top of first spacer and is assemblied on first spacer along axial direction, and the bolster is located at institute
It states between the second spacer and shell, first spacer includes with the substrate of motor fixation and by between substrate direction second
The buckle arm that spacing body extends, second spacer include the button foot extended towards the first spacer, the button foot and the buckle arm
To make the first spacer and the second spacer be fixed to each other, second spacer includes spacer portion and interconnecting piece, institute for cooperation
Stating interconnecting piece includes ontology and the button foot, and the button foot extends from the ontology, and the spacer portion is stacked and placed on the driven wheel
On, the bolster includes the tabs being covered in spacer portion and the block portion on ontology, the ontology in a ring,
The block portion is arranged along the circumferencial direction interval of ontology.
2. actuator as described in claim 1, which is characterized in that the driving wheel of the belt wheel mechanism is contained in the first spacer
Substrate and the second spacer ontology between, the button foot, buckle arm are around the driving wheel, and the transmission belt is by adjacent two
It passes through between button foot/buckle arm and socket-connects with driving wheel, driven wheel.
3. actuator as described in claim 1, which is characterized in that the block portion is integrally connected by linear portion, described
Wire casing is formed on ontology, the threadiness portion is embedded in the wire casing.
4. actuator as described in claim 1, which is characterized in that the motor has a shaft, and the shaft passes through motor
Shell and the driving wheel of belt wheel mechanism connect, the center of the substrate is formed with perforation and passes through for the shaft of motor, the base
One of plate and the shell of motor are formed with convex block, wherein another be formed with the groove for accommodating the convex block.
5. actuator as described in claim 1, which is characterized in that be embedded an output wheel, the output wheel in the driven wheel
It is mutually concatenated by a pivot with planetary gear mechanism, the top of the pivot passes through output wheel and is set to the interval of the second spacer
In portion, the spacer portion outwardly protrudes to form protrusion in corresponding output wheel position, and the tabs of the bolster correspond to described convex
It rises and is formed with boss, the boss coats the protrusion.
6. actuator as claimed in claim 5, which is characterized in that the driven wheel is hollow structure, including discoid end
Plate and the outwardly extending side wall in edge by end plate, side wall described in the transmission belt ring set, one end of the output wheel are chimeric
In in end plate, the other end is extend out in side wall, and the outer diameter of the other end is less than the internal diameter of side wall, and it is empty to form annular between the two
Between, the planetary gear mechanism is partially protruded into being engaged in the annular space with the output wheel.
7. actuator as described in claim 1, which is characterized in that be formed with slot in the buckle arm, the button foot is plugged in
In the slot of buckle arm.
8. actuator as described in claim 1, which is characterized in that be formed with slot on the button foot, the buckle arm is plugged in
In the slot for detaining foot.
9. actuator as described in claim 1, which is characterized in that the driven wheel, driving wheel are gear, the transmission belt
For toothed belt, the number of teeth of the driving wheel is less than the number of teeth of driven wheel.
10. actuator as described in claim 1, which is characterized in that the bolster is shaped in second spacer
On.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510225127.8A CN106195070B (en) | 2015-05-05 | 2015-05-05 | The actuator of electric parking system |
| KR1020160055591A KR20160130948A (en) | 2015-05-05 | 2016-05-04 | Actuator for an electric parking brake system |
| DE102016108277.5A DE102016108277A1 (en) | 2015-05-05 | 2016-05-04 | Actuator for an electric parking brake system |
| US15/147,533 US9835213B2 (en) | 2015-05-05 | 2016-05-05 | Actuator for an electric parking brake system |
| JP2016093099A JP6744755B2 (en) | 2015-05-05 | 2016-05-06 | Actuator for electric parking brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510225127.8A CN106195070B (en) | 2015-05-05 | 2015-05-05 | The actuator of electric parking system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106195070A CN106195070A (en) | 2016-12-07 |
| CN106195070B true CN106195070B (en) | 2019-10-11 |
Family
ID=57179129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510225127.8A Expired - Fee Related CN106195070B (en) | 2015-05-05 | 2015-05-05 | The actuator of electric parking system |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9835213B2 (en) |
| JP (1) | JP6744755B2 (en) |
| KR (1) | KR20160130948A (en) |
| CN (1) | CN106195070B (en) |
| DE (1) | DE102016108277A1 (en) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9683617B2 (en) * | 2014-12-30 | 2017-06-20 | Johnson Electric S.A. | Self-locking mechanism |
| CN105987108B (en) * | 2015-01-30 | 2019-07-09 | 德昌电机(深圳)有限公司 | The actuator and its self-locking mechanism of electric parking system |
| KR101701291B1 (en) * | 2015-07-21 | 2017-02-02 | 계양전기 주식회사 | Actuator assembly for electromechanical parking brake |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6744755B2 (en) | 2020-08-19 |
| JP2016223626A (en) | 2016-12-28 |
| KR20160130948A (en) | 2016-11-15 |
| US20160327104A1 (en) | 2016-11-10 |
| DE102016108277A1 (en) | 2016-11-10 |
| CN106195070A (en) | 2016-12-07 |
| US9835213B2 (en) | 2017-12-05 |
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